CA1224541A - Circuit for establishing accurate sample timing - Google Patents

Circuit for establishing accurate sample timing

Info

Publication number
CA1224541A
CA1224541A CA000462211A CA462211A CA1224541A CA 1224541 A CA1224541 A CA 1224541A CA 000462211 A CA000462211 A CA 000462211A CA 462211 A CA462211 A CA 462211A CA 1224541 A CA1224541 A CA 1224541A
Authority
CA
Canada
Prior art keywords
channels
circuit
offset information
sampling frequency
order pll
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000462211A
Other languages
English (en)
French (fr)
Inventor
Botaro Hirosaki
Hidehito Aoyagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of CA1224541A publication Critical patent/CA1224541A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03012Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03114Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals
    • H04L25/03133Arrangements for removing intersymbol interference operating in the time domain non-adaptive, i.e. not adjustable, manually adjustable, or adjustable only during the reception of special signals with a non-recursive structure
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2662Symbol synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2676Blind, i.e. without using known symbols
    • H04L27/2679Decision-aided
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/0335Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375Passband transmission
    • H04L2025/03414Multicarrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
CA000462211A 1983-09-01 1984-08-31 Circuit for establishing accurate sample timing Expired CA1224541A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58-160786 1983-09-01
JP58160786A JPS6052147A (ja) 1983-09-01 1983-09-01 タイミング同期方式

Publications (1)

Publication Number Publication Date
CA1224541A true CA1224541A (en) 1987-07-21

Family

ID=15722415

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000462211A Expired CA1224541A (en) 1983-09-01 1984-08-31 Circuit for establishing accurate sample timing

Country Status (4)

Country Link
US (1) US4575682A (enrdf_load_stackoverflow)
JP (1) JPS6052147A (enrdf_load_stackoverflow)
CA (1) CA1224541A (enrdf_load_stackoverflow)
GB (1) GB2145906B (enrdf_load_stackoverflow)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6340426A (ja) * 1986-08-06 1988-02-20 Hitachi Ltd タイミングpll装置
US4947407A (en) * 1989-08-08 1990-08-07 Siemens-Pacesetter, Inc. Sample-and-hold digital phase-locked loop for ask signals
US5206886A (en) * 1990-04-16 1993-04-27 Telebit Corporation Method and apparatus for correcting for clock and carrier frequency offset, and phase jitter in mulicarrier modems
FR2670062B1 (fr) * 1990-11-30 1993-11-12 Thomson Csf Procede de recalage des oscillateurs locaux d'un recepteur et dispositif pour la mise en óoeuvre du procede.
DE4208808B4 (de) * 1992-03-19 2005-03-17 Robert Bosch Gmbh Verfahren zur breitbandigen digitalen Signalübertragung von einer Feststation zu Mobilstationen
US6334219B1 (en) * 1994-09-26 2001-12-25 Adc Telecommunications Inc. Channel selection for a hybrid fiber coax network
USRE42236E1 (en) 1995-02-06 2011-03-22 Adc Telecommunications, Inc. Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing
US7280564B1 (en) 1995-02-06 2007-10-09 Adc Telecommunications, Inc. Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing
JPH09270765A (ja) * 1996-01-31 1997-10-14 Victor Co Of Japan Ltd Ofdm変復調装置及びofdm変調方法
WO1997041672A1 (en) * 1996-04-29 1997-11-06 Philips Electronics N.V. Symbol synchronisation in a multicarrier receiver
JP3289610B2 (ja) * 1996-07-31 2002-06-10 日本ビクター株式会社 Ofdm復調装置及びその方法
JP3431785B2 (ja) * 1996-12-24 2003-07-28 シャープ株式会社 直交周波数多重変調信号復調装置
US5978379A (en) 1997-01-23 1999-11-02 Gadzoox Networks, Inc. Fiber channel learning bridge, learning half bridge, and protocol
US7430171B2 (en) 1998-11-19 2008-09-30 Broadcom Corporation Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost
US6370188B1 (en) * 1999-03-31 2002-04-09 Texas Instruments Incorporated Phase and frequency offset compensation in a telecommunications receiver
FR2800954B1 (fr) * 1999-11-09 2001-12-28 Maurice Bellanger Systeme de transmission numerique multiporteuse utilisant un transmultiplexeur oqam
US7072412B1 (en) 1999-11-09 2006-07-04 Maurice Bellanger Multicarrier digital transmission system using an OQAM transmultiplexer
MXPA03011643A (es) * 2001-06-22 2004-04-02 Thomson Licensing Sa Metodo y sistema para compensacion de un desplazamiento de frecuencia portadora en un receptor de ofdm,.
JP4389934B2 (ja) 2004-08-30 2009-12-24 日本電気株式会社 クロック再生回路
JP4579897B2 (ja) * 2006-12-22 2010-11-10 パナソニック株式会社 デジタル復調装置および同期検出方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2505111B1 (fr) * 1981-04-29 1986-04-18 Labo Electronique Physique Dispositif de recuperation de porteuse pour une modulation d'amplitude et de phase a seize etats et systeme de reception de donnees numeriques comprenant un tel dispositif

Also Published As

Publication number Publication date
JPH0131821B2 (enrdf_load_stackoverflow) 1989-06-28
JPS6052147A (ja) 1985-03-25
GB8421835D0 (en) 1984-10-03
US4575682A (en) 1986-03-11
GB2145906B (en) 1986-10-15
GB2145906A (en) 1985-04-03

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Legal Events

Date Code Title Description
MKEX Expiry